Adjutant

Adjutant is a form of a computer with Artificial Intelligence that was widely used for information related to important missions. As it stands Adjutant will always help those who use them. Giving logistical information as well as reccomended courses of action during missions, Adjutants are a must have in order to complete any sort of mission or campaign.

Not only do they provide this information, but Adjutant's can keep and store crucial information. Much more complex then a hard drive, Adjutant's can hold and replay mission briefings, mission replays, as well as any transmissions recorded. With great information comes great knowledge, but also comes with great risk, as this information can be used against you.

Note this is mostly speculation as alot of information about Adjutant isn't even confirmed from Blizzard.